Results 21 to 30 of about 15,631 (268)

Active Sites of Reduced Epidermal Fluorescence1 (REF1) Isoforms Contain Amino Acid Substitutions That Are Different between Monocots and Dicots. [PDF]

open access: yesPLoS ONE, 2016
Plant aldehyde dehydrogenases (ALDHs) play important roles in cell wall biosynthesis, growth, development, and tolerance to biotic and abiotic stresses. The Reduced Epidermal Fluorescence1 is encoded by the subfamily 2C of ALDHs and was shown to oxidise ...
Tagnon D Missihoun   +3 more
doaj   +1 more source

How does the presence of endosperm affect seed size and germination?

open access: yesBotan‪ical Sciences, 2015
Endospermic seeds may germinate more successfully than non-endospermic seeds. The quantity of reserves of endosperm is directly related to seed size; large seeds may present higher percentages of germination than small seeds.
Susana Valencia-Díaz   +3 more
doaj   +1 more source

Effect of supplementation on the performance of F1 crossbred goats finished in native pasture

open access: yesRevista Brasileira de Zootecnia, 2011
The present study aimed to assess the effect of supplementation on the performance of F1 (Boer × females of no defined breed) goats finished in native pasture.
Aloísio Monteiro de Carvalho Júnior   +4 more
doaj   +1 more source

Sobre a ocorrência dos estômatos "Graminóides" em espécies do gênero Virola e em outras Dicotiledôneas. [PDF]

open access: yesActa Amazonica, 1984
"Graminaceous" stomata were observed in Virola (Myristicaceae). Comments are made on the widespread occurrence of this type of stomata as well as the need for additional structural information which can show a variation gradient between the ...
Marilene Marinho Nogueira Braga
doaj   +1 more source

Influence of mean value of the modulus of elasticity in compression parallel to the grain on the design of timber trusses

open access: yesActa Scientiarum: Technology, 2022
The Brazilian standard ABNT NBR 7190 (Associação Brasileira de Normas Técnicas [ABNT], 1997) recommends adopting the mean value of the modulus of elasticity to compression in the direction parallel to the grain (Ec0,m) in the calculation of ...
Arthur Filipe Freire Gomes   +5 more
doaj   +1 more source

Induced Systemic Resistance (ISR) and Fe Deficiency Responses in Dicot Plants

open access: yesFrontiers in Plant Science, 2019
Plants develop responses to abiotic stresses, like Fe deficiency. Similarly, plants also develop responses to cope with biotic stresses provoked by biological agents, like pathogens and insects. Some of these responses are limited to the infested damaged
Francisco J. Romera   +8 more
doaj   +1 more source

Ultrasonic Measurements In Brazilian Hardwood

open access: yesMaterials Research, 2002
This paper reports on a study of the application of ultrasound waves in wood with the purpose of evaluating the latter's mechanical properties. The evaluation is based on the correlation between the speed of sound, modulus of elasticity and density.
Fabiana Goia R. de Oliveira   +2 more
doaj   +1 more source

Identification and evolutionary analysis of cotton DUR3 gene

open access: yesGuangxi Zhiwu, 2023
Plant DUR3 homologous protein is a high affinity urea transporter which belongs to the family of sodium/solute symporter family, and plays an important role in the active absorption of exogenous urea and redistribution of endogenous urea by plants.
Yuanyong GONG   +5 more
doaj   +1 more source

Phylogenetic analysis and expression profiles of jasmonate ZIM-domain gene family provide insight into abiotic stress resistance in sunflower

open access: yesFrontiers in Plant Science, 2022
Jasmonate ZIM-domain (JAZ) proteins act as inhibitory factors of the jasmonic acid (JA) pathway, which is involved in regulating plant development and defense responses.
Huifang Song   +8 more
doaj   +1 more source

Moderately inhibitory effects of N-dodecyloxymethylene-N-methylpiperidinium and N-dodecyloxymethylene-N-methylmorpholinium chlorides on seed germination

open access: yesActa Societatis Botanicorum Poloniae, 2014
N-Dodecyloxymethylene-N-methylpiperidinium chloride (DMMP) and N-dodecyloxyme-thylene-N-methylmorpholinium chloride (DMMM) retarded germination of seeds of 9 cultivated plant species when applied at a concentration of 10-3 M, and inhibited germination at
Stanisław J. Knypl   +1 more
doaj   +1 more source

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